traditional 5100 Series in black - a product line that exemplifies all that Mundial has learned over 70 years of crafting gourmet knives The 5100 Series in black is fully forged high-carbon stainless steel Its precision blade is then riveted to a durable polyacetal handle in a traditional, three-rivet style for years of reliable use The 5100 Series is available in block and gift sets to suit a variety of needs